989899316

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 2169323520

約数和(自身を除く): 1179424204

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 193, 217, 266, 311, 386, 434, 532, 589, 622, 772, 868, 1178, 1244, 1351, 2177, 2356, 2702, 3667, 4123, 4354, 5404, 5909, 5983, 7334, 8246, 8708, 9641, 11818, 11966, 14668, 16492, 19282, 23636, 23932, 25669, 38564, 41363, 41881, 51338, 60023, 67487, 82726, 83762, 102676, 113677, 120046, 134974, 165452, 167524, 183179, 227354, 240092, 269948, 366358, 420161, 454708, 732716, 795739, 840322, 1140437, 1282253, 1591478, 1680644, 1860713, 2280874, 2564506, 3182956, 3721426, 4561748, 5129012, 7442852, 7983059, 13024991, 15966118, 26049982, 31932236, 35353547, 52099964, 70707094, 141414188, 247474829, 494949658, 989899316]

約数ペア:

[(1, 989899316), (2, 494949658), (4, 247474829), (7, 141414188), (14, 70707094), (19, 52099964), (28, 35353547), (31, 31932236), (38, 26049982), (62, 15966118), (76, 13024991), (124, 7983059), (133, 7442852), (193, 5129012), (217, 4561748), (266, 3721426), (311, 3182956), (386, 2564506), (434, 2280874), (532, 1860713), (589, 1680644), (622, 1591478), (772, 1282253), (868, 1140437), (1178, 840322), (1244, 795739), (1351, 732716), (2177, 454708), (2356, 420161), (2702, 366358), (3667, 269948), (4123, 240092), (4354, 227354), (5404, 183179), (5909, 167524), (5983, 165452), (7334, 134974), (8246, 120046), (8708, 113677), (9641, 102676), (11818, 83762), (11966, 82726), (14668, 67487), (16492, 60023), (19282, 51338), (23636, 41881), (23932, 41363), (25669, 38564)]